 .classes-box {
        margin: 0 20px 10px;
        background-color: #fafafa;
        box-shadow: rgba(99, 99, 99, 0.2) 0 2px 8px 0;
        display: flex;
        padding: 20px;
    }
    .classes-item {
        height: 20px;
        margin-right: 40px;
        color: #55666f;
    }
    .classes-item a {
        color: #55666f;
        transition: all 0.5s;
        font-size: 18px;
        font-weight: bold;
        padding: 5px 10px;
        border: 1px solid transparent;
        border-radius: 20px;
    }
    .classes-item a:hover {
        background-color: #eaeaea;
        border-color: #ddd;
        color: #333;
    }